From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jernej =?utf-8?B?xaBrcmFiZWM=?= Subject: Re: [PATCH] ARM: dts: sun8i-h3: Increase the GPU clock to 576 MHz Date: Wed, 27 Jun 2018 18:47:56 +0200 Message-ID: <2117931.94GTsegy69@jernej-laptop> References: <20180627072635.3592-1-paul.kocialkowski@bootlin.com> Reply-To: jernej.skrabec-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <20180627072635.3592-1-paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Thomas Petazzoni , Qiang Yu , Giulio Benetti , Jagan Teki List-Id: devicetree@vger.kernel.org Hi! Dne sreda, 27. junij 2018 ob 09:26:35 CEST je Paul Kocialkowski napisal(a): > It was reported (based on declarations from the Allwiner BSP) that the > Mali 400 found on the H3 can be clocked up to 576 MHz. > > The frequency was tested using the r6p2 out-of-tree driver and a Kodi > userspace with associated r6p2 blobs, leading to a working result. > > This increases the clock to 576 MHz, which directly increases the pixel > throughput of the GPU (given the 1 pixel-per-cycle rate). I think that current clock speed is on a bit conservative side because there is no thermal throttling support yet. Best regards, Jernej